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Finding the Fourth Proportional to 578,447.64, 797,696.94 and 451,076.76

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Solution

The fourth proportional to 578,447.64, 797,696.94 and 451,076.76 is: 622,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,447.64 : 797,696.94 = 451,076.76 : x
  2. Step 2: Convert to fraction form
    578,447.64/797,696.94 = 451,076.76/x
  3. Step 3: Cross multiply
    578,447.64x = 797,696.94 × 451,076.76
  4. Step 4: Simplify right side
    578,447.64x = 359,822,551,157.11
  5. Step 5: Solve for x
    x = 359,822,551,157.11/578,447.64
  6. Step 6: Final answer
    x = 622,048.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.